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  Asked: Feb 7 2006   12:38 AM GMT
  Asked by: seconddan

Access to an EMC SAN


SAN, EMC, iSeries, i5, Partitioning, i520, DASD, AIX

We are considering moving some apps from individual blades (a growing expense) to a partition of an existing, underused i520. One hang up is DASD, especially moving or reloading the terabytes of data currently held in our SAN. With the new partioning of an i5, especially when running an AIX, or Windows partition it seems that we might be able to access a SAN. Is this a fair expectation? Has any one had success with this, or are we still tied to the 'internal' iSeries storage?

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Last Answered: Feb 9 2006  12:11 AM GMT  by iseriesguy2




If memory servers me correctly, you can attach an AS/400 to a SAN via a scsi channel or a fiber channel you would just need the appropriate IOA to connect the SAN to each partition. A fiber switch would probably be your best bet. Be careful since you have EMC disk though. At a previous job, we had external EMC disk on an AS/400 and the disk itself was a performance bottleneck because it was external as opposed to internal disk.
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SCOATES  |   Feb 10 2006  10:09AM GMT

We are currently have several of our iSeries systems attached to external DASD. We are currently using 2 IBM Sharks. We have tested the EMC also. You need fiber IOA to the SAN and can even setup Dual Paths. It is still best to keep some of the most used data internal, but we haven’t really seen any performance hits as of yet. We have been running this configuration for about 2 years.